XJS ( X27 ) 1975 - 1996 3.6 4.0 5.3 6.0

Ride Height - Springs?

Thread Tools
 
Search this Thread
 
  #1  
Old 10-10-2019, 04:35 PM
petemohr's Avatar
Senior Member
Thread Starter
Join Date: Aug 2013
Location: Pittsboro, NC
Posts: 812
Received 279 Likes on 163 Posts
Default Ride Height - Springs?

1996 4.0 Convertible with the sport pack suspension. (Bilstein shocks and heavier anti-roll bar )
Measuring from the ground to the top of the wheel arch I get 26.5" on both rears and right front. The left front measured 27.5"
I removed the springs and they are the same height at rest. Can anything other than the springs cause that difference in height?

Also, I removed the shock bolts and could barely budge (compress) them.
I replaced the KYB shocks on my '93 coupe with Boge's and had no problem compressing either shock.
Is it normal for the Bilsteins to be that hard to compress?

I'll probably be ordering a set of stock Boge's and springs (I prefer the "non-sport" ride.)
So if anyone's interested in the Bilsteins and springs let me know.
 
  #2  
Old 10-10-2019, 05:15 PM
ptjs1's Avatar
Veteran Member
Join Date: Apr 2014
Location: Kent, UK
Posts: 4,027
Received 3,094 Likes on 2,042 Posts
Default

petemohr,

The correct ride height spec on late XJS is measured from the bottom of the subframes to the road rather than at the wheelarch measurement. However, if you've got the same wheelarch distance on a front and rear wheel then there's an issue as the rear wheelarch lips are lower than those at the front.

Although not specifically intended to set the height, the shocks will make a small difference, so a discrepancy can be caused by worn shocks.

You'll no doubt have read all the threads on owners struggling to get correct ride height with many aftermarket springs and shocks. It seems the only way is to buy genuine JAguar springs and shocks or else go with adjustable platform height rear shocks such as Gaz (that's what I did).

Good luck with your choice.

Paul
 
  #3  
Old 10-10-2019, 08:49 PM
icsamerica's Avatar
Veteran Member
Join Date: Apr 2012
Location: New York City
Posts: 2,208
Received 1,366 Likes on 795 Posts
Default

Something isnt rigth with the Bilsteins. I've noticed over the years they fail stiff. I think the valve jams up. I like KYB or Boge for a driver. KYB have a higher pressure and will raise your ride height.
 
  #4  
Old 10-10-2019, 09:05 PM
lasstss's Avatar
Senior Member
Join Date: Oct 2008
Posts: 112
Received 30 Likes on 24 Posts
Default

I have used the KYBs on a few of my XJS cars. A good overall shock. Ride is not stiff in my opinion. ^ Bilsteins are also pricy.
 
  #5  
Old 10-11-2019, 07:16 AM
petemohr's Avatar
Senior Member
Thread Starter
Join Date: Aug 2013
Location: Pittsboro, NC
Posts: 812
Received 279 Likes on 163 Posts
Default

Originally Posted by icsamerica
Something isn't right with the Bilsteins. I've noticed over the years they fail stiff. I think the valve jams up. I like KYB or Boge for a driver. KYB have a higher pressure and will raise your ride height.
I agree. I put 6 new Boge's on my '93 coupe and am very happy with the ride. Think I'll do the same with the '96. I just have to find someone strong enough to compress the Bilstein's enough to get them out!
 
  #6  
Old 10-11-2019, 08:16 AM
Spikepaga's Avatar
Veteran Member
Join Date: Apr 2011
Location: Houston, Texas
Posts: 2,986
Received 559 Likes on 382 Posts
Default

Originally Posted by icsamerica
Something isnt rigth with the Bilsteins. I've noticed over the years they fail stiff. I think the valve jams up. I like KYB or Boge for a driver. KYB have a higher pressure and will raise your ride height.
i am reading this with a lot of interest because I will be changing the shocks /struts soon. It seems like the facelift springs are not available. i though Bilsteins where the best for our cars though?
 
  #7  
Old 10-11-2019, 09:04 AM
petemohr's Avatar
Senior Member
Thread Starter
Join Date: Aug 2013
Location: Pittsboro, NC
Posts: 812
Received 279 Likes on 163 Posts
Default

Originally Posted by Spikepaga
It seems like the facelift springs are not available.
Check here: https://www.welshent.com/Steering-Suspension-C4720.aspx
 
  #8  
Old 10-11-2019, 03:31 PM
warrjon's Avatar
Veteran Member
Join Date: May 2010
Location: Vic Australia
Posts: 4,638
Received 2,576 Likes on 1,712 Posts
Default

I had 1 front Bilstein fail, and the lower wishbone bushes these caused the LHS to sit lower than the right. Although it was most likely the lower bushes that caused the LHS to sag.
 
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Dave~D
XJS ( X27 )
4
10-25-2019 06:26 AM
Fingers13
XJ6 & XJ12 Series I, II & III
30
10-12-2019 03:13 PM
Dave1109971
XJS ( X27 )
8
10-19-2015 03:05 AM
wiljulrin
XK8 / XKR ( X100 )
54
08-03-2014 02:43 AM
JaguarXKR
X-Type ( X400 )
8
02-23-2014 02:59 PM

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 


Quick Reply: Ride Height - Springs?



All times are GMT -5. The time now is 08:28 PM.